<nav class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">
    <div class="navbar-header">
      <a class="navbar-brand" [routerLink] = "['/home']">主页</a>
    </div>
    <ul class="nav navbar-nav">
      <li><a [routerLink] = "['/base-concept']">基础概念</a></li>
      <li><a [routerLink] = "['/interactions']">组件交互</a></li>
    </ul>
  </div>
</nav>

<router-outlet></router-outlet>

